Flex

Sr Test Engineer

Flex$110K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering or similar field (advanced degree preferred)
  • 6-8 years of hands-on experience in failure analysis and system-level testing in a fast-paced manufacturing environment
  • Proficient in scripting languages (Python, Bash) and skilled in advanced Linux command-line operations
  • Expertise in integrating, diagnosing, and repairing computer/server hardware and software
  • Experience utilizing Data Acquisition (DAQ) systems and sensors for testing purposes
  • Strong knowledge of statistical analysis for troubleshooting and decision-making
  • Capable of developing comprehensive test operations processes, including SOPs and work instructions.

Responsibilities

  • Develop and execute test procedures for new liquid-cooled server products
  • Conduct failure analysis and debugging of systems and components
  • Automate testing processes and perform data analysis to enhance reliability
  • Lead continuous improvement initiatives to optimize test operations
  • Apply knowledge of liquid cooling to ensure product performance and safety
  • Provide technical leadership and training to team members and peers
  • Collaborate cross-functionally to align testing with product development goals

Benefits

  • Comprehensive medical, dental, and vision coverage
  • Life insurance policy
  • Short-term and long-term disability benefits
  • 401(k) plan with matching contributions
  • Paid vacation and sick leave
  • Tuition reimbursement program
Full Job Description
Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Test Engineer located in Austin, TX.

Reporting to the Test Engineering Manager, the Test Engineer will serve as a key technical lead and individual contributor for a new liquid-cooled server rack product line. You will drive launch and ongoing support of high-power AI/ML, GPU, and hardware accelerator-based server, storage, and networking platforms featuring advanced liquid cooling. This role owns test process development for full rack (L6,10/L11) assembly and integration-ensuring quality, performance, and safety-across NPI and sustaining production. You'll design procedures, automate test execution, analyze data for continuous improvement, and leverage liquid cooling expertise to deliver robust end-customer solutions.

Minimum Qualifications
  • Bachelor's degree in CS, CE, EE/Electronics, or related field (MSEE or advanced degree preferred).
  • 6-8 years of hands-on experience in failure analysis and system-level testing within a high-paced manufacturing environment.
  • Proficiency in scripting languages (Python, Bash), advanced Linux command-line operations, and hardware/network troubleshooting including the ability to train others on Linux fundamentals.
  • Expertise in computer and server hardware/software integration, diagnostics, and repair -particularly within a manufacturing or high-level assembly environment
  • Experience with DAQs and sensors (thermocouples, flow meters, pressure sensors).
  • Strong knowledge of statistical analysis and its application to data-driven troubleshooting and decision-making
  • End-to-end development of the test operations process, including SOPs, work instructions, process flowcharts, operational activities, and destination routing.


Preferred Qualifications:
  • Performing hands-on debugging, validation, and system-level failure analysis of next-generation server and rack systems within a high-mix, high-ambiguity manufacturing environment.
  • Strong Linux CLI proficiency, hardware integration expertise, and advanced troubleshooting skills across L6, and L10, test stages. Ability to train others on Linux basics.
  • System architecture understanding-how liquid cooling integrates with overall system testing.
  • Intermediate programming in Bash and Python.
  • Familiarity with liquid cooling components (pumps, radiators, cold plates, chillers, reservoirs, tubing, fittings, coolants).
  • Leak detection/prevention techniques and best practices.


Essential Duties & Responsibilities
  • Test Development & Execution
  • Failure Analysis & Debugging
  • Automation & Data Analysis
  • Continuous Improvement
  • Knowledge of liquid cooling
  • Technical Leadership & Training
  • Cross-Functional Collaboration
  • Reporting & Communication
  • Safety & Compliance


What you'll receive for the great work you provide:
  • Full range of medical, dental, and vision plans
  • Life Insurance
  • Short-term and Long-term Disability
  • Matching 401(k) Contributions
  • Vacation and Paid Sick Time
  • Tuition Reimbursement

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.
Job Posting Start Date 07-29-2026 Job Posting End Date 09-28-2026
Job Category
Production Engineering

Is Sponsorship Available?
No

About Flex

Flex Ltd. is an American Singaporean-domiciled multinational electronics contract manufacturer. It is the third largest global electronics manufacturing services (EMS), original design manufacturer (ODM) company by revenue, behind only Pegatron for what concerns original equipment manufacturers. Flex has manufacturing operations in over 30 countries, totaling approximately 200,000 employees.
Learn more about Flex
Size
172,648 employees
Market Cap
$9.7 billion
Industry
Net Income
$421 million
Founded
2016
5 Year Trend
+1.8%
Revenue
$23.3 billion
NASDAQ

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